– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 9 am Fri 30 Jan Local TimeUpdates in: hr min sUpdate imminent
Issued: 9 am Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Fri 30 Jan Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 52mm), heaviest during Fri morning. Very mild (max 10°C on Sat afternoon, min 5°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 11mm), heaviest on Mon morning. Very mild (max 15°C on Wed morning, min 5°C on Mon morning). Wind will be generally light. | |||||||||||||||||
Friday 30 | Saturday 31 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  |  |  | | | | | | |  | |  |  |  |  | |
heavy rain | mod. rain | rain shwrs | light rain | rain shwrs | light rain | heavy rain | mod. rain | light rain | mod. rain | light rain | rain shwrs | cloudy | cloudy | cloudy | clear | some clouds | some clouds | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
14 | 8 | 1.5 | 4 | 0.2 | 4 | 11 | 8 | 0.7 | 8 | 2 | 0.2 | — | — | — | — | — | — | |
max °C | 7 | 8 | 8 | 9 | 10 | 9 | 6 | 6 | 6 | 5 | 6 | 7 | 11 | 11 | 10 | 15 | 13 | 11 |
min °C | 6 | 7 | 7 | 9 | 9 | 7 | 6 | 6 | 5 | 5 | 5 | 6 | 9 | 10 | 10 | 12 | 10 | 10 |
3 | 4 | 6 | 8 | 7 | 5 | 4 | 4 | 3 | 3 | 3 | 6 | 9 | 9 | 9 | 12 | 10 | 10 | |
1650 | 2000 | 2150 | 2400 | 2300 | 1950 | 1450 | 1500 | 1400 | 1250 | 1600 | 1900 | 2500 | 2600 | 2850 | 3000 | 2850 | 2950 | |
Cloud base (m) | 950 | 600 | 650 | 1700 | 600 | 1750 | 600 | 600 | 650 | 700 | 600 | 1850 | 2100 | 1800 | 2800 | |||
 | 7:39 | — | — | 7:37 | — | — | 7:37 | — | — | 7:35 | — | — | 7:33 | — | — | 7:33 | — | — |
 | — | 5:02 | — | — | 5:04 | — | — | 5:06 | — | — | 5:07 | — | — | 5:08 | — | — | 5:10 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 52mm), heaviest during Fri morning. Very mild (max 10°C on Sat afternoon, min 5°C on Sun night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Mon morning. Very mild (max 15°C on Wed morning, min 5°C on Mon morning). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.